package net.minecraft.block;

import java.util.List;
import java.util.Random;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.properties.PropertyDirection;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.IStringSerializable;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockPistonExtension extends Block {
	public static final PropertyDirection FACING = PropertyDirection.create("facing");
	public static final PropertyEnum<BlockPistonExtension.EnumPistonType> TYPE = PropertyEnum.<BlockPistonExtension.EnumPistonType>create(
			"type", BlockPistonExtension.EnumPistonType.class);
	public static final PropertyBool SHORT = PropertyBool.create("short");

	public BlockPistonExtension() {
		super(Material.piston);
		this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, EnumFacing.NORTH)
				.withProperty(TYPE, BlockPistonExtension.EnumPistonType.DEFAULT)
				.withProperty(SHORT, Boolean.valueOf(false)));
		this.setStepSound(soundTypePiston);
		this.setHardness(0.5F);
	}

	public void onBlockHarvested(World worldIn, BlockPos pos, IBlockState state, EntityPlayer player) {
		if (player.capabilities.isCreativeMode) {
			EnumFacing enumfacing = (EnumFacing) state.getValue(FACING);

			if (enumfacing != null) {
				BlockPos blockpos = pos.offset(enumfacing.getOpposite());
				Block block = worldIn.getBlockState(blockpos).getBlock();

				if (block == Blocks.piston || block == Blocks.sticky_piston) {
					worldIn.setBlockToAir(blockpos);
				}
			}
		}

		super.onBlockHarvested(worldIn, pos, state, player);
	}

	public void breakBlock(World worldIn, BlockPos pos, IBlockState state) {
		super.breakBlock(worldIn, pos, state);
		EnumFacing enumfacing = ((EnumFacing) state.getValue(FACING)).getOpposite();
		pos = pos.offset(enumfacing);
		IBlockState iblockstate = worldIn.getBlockState(pos);

		if ((iblockstate.getBlock() == Blocks.piston || iblockstate.getBlock() == Blocks.sticky_piston)
				&& ((Boolean) iblockstate.getValue(BlockPistonBase.EXTENDED)).booleanValue()) {
			iblockstate.getBlock().dropBlockAsItem(worldIn, pos, iblockstate, 0);
			worldIn.setBlockToAir(pos);
		}
	}

	/**
	 * Used to determine ambient occlusion and culling when rebuilding chunks for
	 * render
	 */
	public boolean isOpaqueCube() {
		return false;
	}

	public boolean isFullCube() {
		return false;
	}

	public boolean canPlaceBlockAt(World worldIn, BlockPos pos) {
		return false;
	}

	/**
	 * Check whether this Block can be placed on the given side
	 */
	public boolean canPlaceBlockOnSide(World worldIn, BlockPos pos, EnumFacing side) {
		return false;
	}

	/**
	 * Returns the quantity of items to drop on block destruction.
	 */
	public int quantityDropped(Random random) {
		return 0;
	}

	/**
	 * Add all collision boxes of this Block to the list that intersect with the
	 * given mask.
	 */
	public void addCollisionBoxesToList(World worldIn, BlockPos pos, IBlockState state, AxisAlignedBB mask,
			List<AxisAlignedBB> list, Entity collidingEntity) {
		this.applyHeadBounds(state);
		super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
		this.applyCoreBounds(state);
		super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
		this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
	}

	private void applyCoreBounds(IBlockState state) {
		float f = 0.25F;
		float f1 = 0.375F;
		float f2 = 0.625F;
		float f3 = 0.25F;
		float f4 = 0.75F;

		switch ((EnumFacing) state.getValue(FACING)) {
		case DOWN:
			this.setBlockBounds(0.375F, 0.25F, 0.375F, 0.625F, 1.0F, 0.625F);
			break;

		case UP:
			this.setBlockBounds(0.375F, 0.0F, 0.375F, 0.625F, 0.75F, 0.625F);
			break;

		case NORTH:
			this.setBlockBounds(0.25F, 0.375F, 0.25F, 0.75F, 0.625F, 1.0F);
			break;

		case SOUTH:
			this.setBlockBounds(0.25F, 0.375F, 0.0F, 0.75F, 0.625F, 0.75F);
			break;

		case WEST:
			this.setBlockBounds(0.375F, 0.25F, 0.25F, 0.625F, 0.75F, 1.0F);
			break;

		case EAST:
			this.setBlockBounds(0.0F, 0.375F, 0.25F, 0.75F, 0.625F, 0.75F);
		}
	}

	public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos) {
		this.applyHeadBounds(worldIn.getBlockState(pos));
	}

	public void applyHeadBounds(IBlockState state) {
		float f = 0.25F;
		EnumFacing enumfacing = (EnumFacing) state.getValue(FACING);

		if (enumfacing != null) {
			switch (enumfacing) {
			case DOWN:
				this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.25F, 1.0F);
				break;

			case UP:
				this.setBlockBounds(0.0F, 0.75F, 0.0F, 1.0F, 1.0F, 1.0F);
				break;

			case NORTH:
				this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.25F);
				break;

			case SOUTH:
				this.setBlockBounds(0.0F, 0.0F, 0.75F, 1.0F, 1.0F, 1.0F);
				break;

			case WEST:
				this.setBlockBounds(0.0F, 0.0F, 0.0F, 0.25F, 1.0F, 1.0F);
				break;

			case EAST:
				this.setBlockBounds(0.75F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
			}
		}
	}

	/**
	 * Called when a neighboring block changes.
	 */
	public void onNeighborBlockChange(World worldIn, BlockPos pos, IBlockState state, Block neighborBlock) {
		EnumFacing enumfacing = (EnumFacing) state.getValue(FACING);
		BlockPos blockpos = pos.offset(enumfacing.getOpposite());
		IBlockState iblockstate = worldIn.getBlockState(blockpos);

		if (iblockstate.getBlock() != Blocks.piston && iblockstate.getBlock() != Blocks.sticky_piston) {
			worldIn.setBlockToAir(pos);
		} else {
			iblockstate.getBlock().onNeighborBlockChange(worldIn, blockpos, iblockstate, neighborBlock);
		}
	}

	public boolean shouldSideBeRendered(IBlockAccess worldIn, BlockPos pos, EnumFacing side) {
		return true;
	}

	public static EnumFacing getFacing(int meta) {
		int i = meta & 7;
		return i > 5 ? null : EnumFacing.getFront(i);
	}

	public Item getItem(World worldIn, BlockPos pos) {
		return worldIn.getBlockState(pos).getValue(TYPE) == BlockPistonExtension.EnumPistonType.STICKY
				? Item.getItemFromBlock(Blocks.sticky_piston)
				: Item.getItemFromBlock(Blocks.piston);
	}

	/**
	 * Convert the given metadata into a BlockState for this Block
	 */
	public IBlockState getStateFromMeta(int meta) {
		return this.getDefaultState().withProperty(FACING, getFacing(meta)).withProperty(TYPE,
				(meta & 8) > 0 ? BlockPistonExtension.EnumPistonType.STICKY
						: BlockPistonExtension.EnumPistonType.DEFAULT);
	}

	/**
	 * Convert the BlockState into the correct metadata value
	 */
	public int getMetaFromState(IBlockState state) {
		int i = 0;
		i = i | ((EnumFacing) state.getValue(FACING)).getIndex();

		if (state.getValue(TYPE) == BlockPistonExtension.EnumPistonType.STICKY) {
			i |= 8;
		}

		return i;
	}

	protected BlockState createBlockState() {
		return new BlockState(this, new IProperty[] { FACING, TYPE, SHORT });
	}

	public static enum EnumPistonType implements IStringSerializable {
		DEFAULT("normal"), STICKY("sticky");

		private final String VARIANT;

		private EnumPistonType(String name) {
			this.VARIANT = name;
		}

		public String toString() {
			return this.VARIANT;
		}

		public String getName() {
			return this.VARIANT;
		}
	}
}
